Hashedin vs TCS Interview Questions
Hashedin lists 23 LeetCode interview questions while TCS lists 228. They share 12 problems — 52% of Hashedin's bank and 5% of TCS's. Focus on the overlap first, then drill into 11 Hashedin-only and 216 TCS-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 12 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Hashedin and TCS.
Step 2 — Company-specific depth: Add Hashedin-specific problems like Find Candidates for Data Scientist Position, Maximize Items, Maximum Points Inside the Square and TCS-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Hashedin skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
12 Shared Questions
High-priority problems to practice for both Hashedin and TCS.
| Problem | Difficulty |
|---|---|
| Maximum Subarray | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Trapping Rain Water | Hard |
| Container With Most Water | Medium |
| Next Permutation | Medium |
| Jump Game II | Medium |
| 3Sum | Medium |
| Maximum Product Subarray | Medium |
| Group Anagrams | Medium |
| Number of Islands | Medium |
| Jump Game | Medium |
| Koko Eating Bananas | Medium |
Unique to Hashedin (11)
Problems in Hashedin's list that do not appear at TCS.
Unique to TCS (216)
Problems in TCS's list that do not appear at Hashedin.
| Problem | Difficulty |
|---|---|
| Friday Purchases I | Medium |
| Two Sum | Easy |
| Longest Palindromic Substring | Medium |
| Palindrome Number | Easy |
| Move Zeroes | Easy |
| Majority Element | Easy |
| Longest Common Prefix | Easy |
| Sort Colors | Medium |
| Valid Anagram | Easy |
| Find the Index of the First Occurrence in a String | Easy |
| Single Number | Easy |
| Second Highest Salary | Medium |
Frequently Asked Questions
How many LeetCode questions do Hashedin and TCS share?
Hashedin and TCS share 12 LeetCode interview questions. 11 problems appear only in Hashedin's list and 216 appear only in TCS's list.
What topics overlap most between Hashedin and TCS?
The most common shared topics between Hashedin and TCS are Array (12 shared questions), Dynamic Programming (6 shared questions), Two Pointers (4 shared questions), Greedy (3 shared questions), Sorting (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Hashedin or TCS?
Hashedin has 3 Easy, 15 Medium, and 5 Hard questions. TCS has 99 Easy, 108 Medium, and 21 Hard questions. Hashedin has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Hashedin and TCS?
Start with the 12 shared problems since they cover what both companies ask most often. Then add 11 Hashedin-specific and 20 TCS-specific questions to round out your prep.